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Finding the Fourth Proportional to 1,628.53, 2,441.88 and 532.60

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Solution

The fourth proportional to 1,628.53, 2,441.88 and 532.60 is: 798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.53 : 2,441.88 = 532.60 : x
  2. Step 2: Convert to fraction form
    1,628.53/2,441.88 = 532.60/x
  3. Step 3: Cross multiply
    1,628.53x = 2,441.88 × 532.60
  4. Step 4: Simplify right side
    1,628.53x = 1,300,539.18
  5. Step 5: Solve for x
    x = 1,300,539.18/1,628.53
  6. Step 6: Final answer
    x = 798.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.